package cn.tedu.jdbc;

/**
 * 功能: 注册功能
 * 库名: tedu
 * 表名: userinfo[id,username,password,nickname,age]
 * 目标: 在userinfo表中插入1条表记录;
 */
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Scanner;

public class JDBCDemo1 {
    public static void main(String[] args) throws ClassNotFoundException, SQLException {
        //1.加载数据库驱动
        Class.forName("com.mysql.cj.jdbc.Driver");
        //2.创建数据库连接对象:.var+回车
        Connection connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3307/tedu?characterEncoding" +
                        "=utf8&useSSL=false&serverTimezone" +
                        "=Asia/Shanghai&rewriteBatchedStatements=true",
                "root",
                "root"
        );
        //3.创建SQL语句执行对象
        Statement statement = connection.createStatement();
        //4.执行SQL语句
        //接受用户的输入：用户名、密码、昵称、年龄
        Scanner scanner=new Scanner(System.in);
        System.out.println("用户名：");
        String username=scanner.nextLine();
        System.out.println("密码：");
        String password=scanner.nextLine();
        System.out.println("昵称：");
        String nickname=scanner.nextLine();
        System.out.println("年龄：");
        Integer age= scanner.nextInt();
        //字符串拼接方式执行SQL
        String sql="INSERT INTO userinfo(username,password,nickname,age) VALUES ('"+username+"','"+password+"','"+nickname+"',"+age+")";
        int i = statement.executeUpdate(sql);
        //5.断开数据库的连接
        connection.close();


    }
}
